Molecular formula
C20H21N3O4
365 compounds have this formula on CompoundList.
- Molar mass
- 367.40g/mol
- Monoisotopic mass
- 367.1532Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 12
The formula C20H21N3O4 describes a molecule made of 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 2065.38%12.011 × 20 = 240.220 g/mol
- H Hydrogen × 215.76%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 311.44%14.007 × 3 = 42.021 g/mol
- O Oxygen × 417.42%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C20H21N3O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 365 compounds
Trp-Tyr
CAS 19653-76-0C20H21N3O4
3-(Hydroxy-phenyl-amino)-1-(4-morpholin-4-yl-phenyl)-pyrrolidine-2,5-dione
CAS 470695-22-8C20H21N3O4
3,4-Dimethoxy-N-(2-oxo-2-(2-(3-phenyl-2-propenylidene)hydrazino)ethyl)benzamide
CAS 325483-81-6C20H21N3O4
Fradafiban
CAS 148396-36-5C20H21N3O4
![2-(1,3-Dioxobenzo[de]isoquinolin-2-yl)-N-(2-morpholin-4-ylethyl)acetamide chemical structure, C20H21N3O4, CAS 325851-02-3](/s/ABZVMHMVMBBBNX-UHFFFAOYSA-N.svg)
2-(1,3-Dioxobenzo[de]isoquinolin-2-yl)-N-(2-morpholin-4-ylethyl)acetamide
CAS 325851-02-3C20H21N3O4
![4-[(2,4-Dioxo-1H-quinazolin-3-yl)methyl]-N-(3-methoxypropyl)benzamide chemical structure, C20H21N3O4, CAS 896374-15-5](/s/IONFHWANFSEYKJ-UHFFFAOYSA-N.svg)
4-[(2,4-Dioxo-1H-quinazolin-3-yl)methyl]-N-(3-methoxypropyl)benzamide
CAS 896374-15-5C20H21N3O4
![Ethyl 2'-amino-3'-cyano-5-methyl-2-oxo-6'-propylspiro[indoline-3,4'-pyran]-5'-carboxylate chemical structure, C20H21N3O4, CAS 300731-75-3](/s/AZQOIZUBXQBDLC-UHFFFAOYSA-N.svg)
Ethyl 2'-amino-3'-cyano-5-methyl-2-oxo-6'-propylspiro[indoline-3,4'-pyran]-5'-carboxylate
CAS 300731-75-3C20H21N3O4
![3-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl]bicyclo[2.2.1]hept-5-ene-2-carboxylic acid chemical structure, C20H21N3O4, CAS 375347-87-8](/s/AQNVIXFHOBUMTK-UHFFFAOYSA-N.svg)
3-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)carbamoyl]bicyclo[2.2.1]hept-5-ene-2-carboxylic acid
CAS 375347-87-8C20H21N3O4
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2-(4-methoxyphenoxy)acetamide
CAS 33145-72-1C20H21N3O4
![(E)-1-[4-(2-Methoxyphenyl)piperazin-1-yl]-3-(3-nitrophenyl)prop-2-en-1-one chemical structure, C20H21N3O4, CAS 305343-24-2](/s/NUKOAACTLSCAKB-MDZDMXLPSA-N.svg)
(E)-1-[4-(2-Methoxyphenyl)piperazin-1-yl]-3-(3-nitrophenyl)prop-2-en-1-one
CAS 305343-24-2C20H21N3O4
![1-[4-[2-(Benzylamino)-2-oxoethoxy]phenyl]-5-oxopyrrolidine-3-carboxamide chemical structure, C20H21N3O4, CAS 461449-42-3](/s/MUGYNAFXKFFOAR-UHFFFAOYSA-N.svg)
1-[4-[2-(Benzylamino)-2-oxoethoxy]phenyl]-5-oxopyrrolidine-3-carboxamide
CAS 461449-42-3C20H21N3O4
5-(2,4-Dioxo-1H-quinazolin-3-yl)-N-(4-methoxyphenyl)pentanamide
CAS 896357-74-7C20H21N3O4
![4-{[4-(Furan-2-ylcarbonyl)piperazin-1-yl]carbonyl}-1-phenylpyrrolidin-2-one chemical structure, C20H21N3O4, CAS 896916-73-7](/s/DLEDKWIFDFZQEK-UHFFFAOYSA-N.svg)
4-{[4-(Furan-2-ylcarbonyl)piperazin-1-yl]carbonyl}-1-phenylpyrrolidin-2-one
CAS 896916-73-7C20H21N3O4
![N-[4-(4-Acetylpiperazin-1-yl)phenyl]-1,3-benzodioxole-5-carboxamide chemical structure, C20H21N3O4, CAS 797028-91-2](/s/INTPMLPEXOSNND-UHFFFAOYSA-N.svg)
N-[4-(4-Acetylpiperazin-1-yl)phenyl]-1,3-benzodioxole-5-carboxamide
CAS 797028-91-2C20H21N3O4
![N~1~-(3,4-dimethoxyphenethyl)-2-[4-oxo-3(4H)-quinazolinyl]acetamide chemical structure, C20H21N3O4, CAS 852128-80-4](/s/VMSKHIYVHOZDIN-UHFFFAOYSA-N.svg)
N~1~-(3,4-dimethoxyphenethyl)-2-[4-oxo-3(4H)-quinazolinyl]acetamide
CAS 852128-80-4C20H21N3O4
N-(4-Morpholin-4-yl-phenyl)-3-(2-oxo-benzooxazol-3-yl)-propionamide
CAS 874584-91-5C20H21N3O4
![N,N-Diallyl-2-[2,5-dimethyl-1-(4-nitrophenyl)-1H-pyrrol-3-yl]-2-oxoacetamide chemical structure, C20H21N3O4, CAS 633318-59-9](/s/KCNIUTNPOLYBGF-UHFFFAOYSA-N.svg)
N,N-Diallyl-2-[2,5-dimethyl-1-(4-nitrophenyl)-1H-pyrrol-3-yl]-2-oxoacetamide
CAS 633318-59-9C20H21N3O4
![3-[4-(Furan-2-ylcarbonyl)piperazin-1-yl]-1-(2-methylphenyl)pyrrolidine-2,5-dione chemical structure, C20H21N3O4, CAS 575463-60-4](/s/ZLODBVVJGKIDQX-UHFFFAOYSA-N.svg)
3-[4-(Furan-2-ylcarbonyl)piperazin-1-yl]-1-(2-methylphenyl)pyrrolidine-2,5-dione
CAS 575463-60-4C20H21N3O4
![[2-Oxo-2-(1,2,3,4-tetrahydronaphthalen-1-ylamino)ethyl] 4-(carbamoylamino)benzoate chemical structure, C20H21N3O4, CAS 852679-42-6](/s/UZXRLORINHDBAD-UHFFFAOYSA-N.svg)
[2-Oxo-2-(1,2,3,4-tetrahydronaphthalen-1-ylamino)ethyl] 4-(carbamoylamino)benzoate
CAS 852679-42-6C20H21N3O4
![[(Z)-(3-Nitro-4-piperidin-1-ylphenyl)methylideneamino] 4-methylbenzoate chemical structure, C20H21N3O4, CAS 339019-81-7](/s/PHEIYWQHQKDHRK-STZFKDTASA-N.svg)
[(Z)-(3-Nitro-4-piperidin-1-ylphenyl)methylideneamino] 4-methylbenzoate
CAS 339019-81-7C20H21N3O4
![Methyl 3-({[(1S,5S)-8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocin-3(4H)-yl]carbonyl}amino)benzoate chemical structure, C20H21N3O4, CAS 1212284-54-2](/s/UHBPGAZIRSJCPQ-HIFRSBDPSA-N.svg)
Methyl 3-({[(1S,5S)-8-oxo-1,5,6,8-tetrahydro-2H-1,5-methanopyrido[1,2-a][1,5]diazocin-3(4H)-yl]carbonyl}amino)benzoate
CAS 1212284-54-2C20H21N3O4
![1-(3-Acetylphenyl)-3-[4-(morpholine-4-carbonyl)phenyl]urea chemical structure, C20H21N3O4, CAS 701275-52-7](/s/FPFHIROXJYRZAW-UHFFFAOYSA-N.svg)
1-(3-Acetylphenyl)-3-[4-(morpholine-4-carbonyl)phenyl]urea
CAS 701275-52-7C20H21N3O4
N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-2,6-dimethoxybenzamide
CAS 324068-35-1C20H21N3O4
![N-[(E)-1-[(Isopropylamino)carbonyl]-2-(3-nitrophenyl)ethenyl]-4-methylbenzamide chemical structure, C20H21N3O4, CAS 1164516-76-0](/s/MFYHENPFHMHPRF-LDADJPATSA-N.svg)
N-[(E)-1-[(Isopropylamino)carbonyl]-2-(3-nitrophenyl)ethenyl]-4-methylbenzamide
CAS 1164516-76-0C20H21N3O4
- (2E)-N-tert-Butyl-2-[(4-nitrophenyl)formamido]-3-phenylprop-2-enamide297146-16-8C20H21N3O4
- N-(2-Methylpropyl)-2-[[(E)-3-(3-nitrophenyl)prop-2-enoyl]amino]benzamide1164504-39-5C20H21N3O4
- 1-(4-Methylbenzoyl)-N-(3-nitrophenyl)piperidine-4-carboxamide593258-56-1C20H21N3O4
- N-(4-Morpholin-4-ylphenyl)-2-(3-oxo-1,4-benzoxazin-4-yl)acetamide839687-53-5C20H21N3O4
- N-Ethyl-2-(3-methoxyphenoxy)-N-[(3-phenyl-1,2,4-oxadiazol-5-yl)methyl]acetamide878995-51-8C20H21N3O4
- 1-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-3-(p-tolyl)urea877640-97-6C20H21N3O4
- 3-(1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-5-oxopyrrolidin-3-yl)-1-methyl-1-phenylurea895416-14-5C20H21N3O4
- N-(3,5-Dimethylphenyl)-3-(2-methoxyethyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide892260-18-3C20H21N3O4
- N-(3,4-Dimethoxyphenethyl)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide877649-38-2C20H21N3O4
- Tyrosyl-tryptophan60815-41-0C20H21N3O4
- (AlphaR)-alpha-[[[(1,2,3,5,6,7-hexahydro-s-indacen-4-yl)amino]carbonyl]oxy]-2-pyrimidinepropanoic acid2272917-12-9C20H21N3O4
- 4-(3-Methoxyphenyl)-N-(4-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide332373-13-4C20H21N3O4
- 5-(4-Methoxyphenyl)-8,8-dimethyl-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,7H)-trione22281-30-7C20H21N3O4
- N-(2-(2-(3-(Allyloxy)benzylidene)hydrazino)-2-oxoethyl)-4-methoxybenzamide767332-49-0C20H21N3O4
- N-(4-Ethoxyphenyl)-4-(4-hydroxyphenyl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxamide333767-48-9C20H21N3O4
- 2,3-Dihydro-benzo[1,4]dioxine-6-carboxylic acid [1-methyl-2-phenyl-eth-(E)-ylidene-hydrazinocarbonylmethyl]-amide373369-23-4C20H21N3O4
- Methyl 4-[2-(6,7-dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetamido]benzoate474004-97-2C20H21N3O4
- 5-((3-Methoxypropyl)amino)-2-(5-((o-tolyloxy)methyl)furan-2-yl)oxazole-4-carbonitrile941904-03-6C20H21N3O4
- 1-[4-[2-(2-Methylanilino)-2-oxoethoxy]phenyl]-5-oxopyrrolidine-3-carboxamide462091-80-1C20H21N3O4
- 2-Amino-6,7-dimethoxy-N-(2-phenoxyethyl)quinoline-3-carboxamide385375-06-4C20H21N3O4
- 1-(Benzo[d][1,3]dioxol-5-ylmethyl)-3-(1-(2-methoxyethyl)-1H-indol-3-yl)urea941902-43-8C20H21N3O4
- N-(2,5-Dimethoxyphenyl)-1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamide440338-31-8C20H21N3O4
- N-(2-(Furan-2-yl)-2-morpholinoethyl)-5-phenylisoxazole-3-carboxamide942897-01-0C20H21N3O4
- Neocitrullamon38964-88-4C20H21N3O4
- 2-(2,3-Dimethylphenoxy)-N-[[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide891032-22-7C20H21N3O4
- N-(2,4-Dimethoxyphenyl)-1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamide403734-11-2C20H21N3O4
- 2-(4-Benzylpiperidin-1-yl)-N-(3-nitrophenyl)-2-oxoacetamide496054-95-6C20H21N3O4
- N-(3,4-Dimethoxybenzyl)-2-(5-(p-tolyl)-1,3,4-oxadiazol-2-yl)acetamide1286718-48-6C20H21N3O4
- N'-[(2,5-Dimethylfuran-3-yl)methyl]-N-{2-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}ethanediamide1351594-96-1C20H21N3O4
- 5-{[(4-Acetylphenyl)amino]methylidene}-1-(3-methoxypropyl)-4-methyl-2,6-dioxo-1,2,5,6-tetrahydropyridine-3-carbonitrile883278-85-1C20H21N3O4
- N-[[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl]-2,4-dimethylbenzamide887598-39-2C20H21N3O4
- 3,4-Diethoxy-N-[(4-oxo-3H-phthalazin-1-yl)methyl]benzamide896374-32-6C20H21N3O4
- N-(4-Ethoxyphenyl)-2-(3-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1H-imidazol-1-yl)acetamide950455-58-0C20H21N3O4
- N-(2-Methoxy-5-methylphenyl)-2-[3-(4-methoxyphenyl)-2-oxo-2,3-dihydro-1H-imidazol-1-yl]acetamide951458-97-2C20H21N3O4
- N-(2-Methyl-3-nitrobenzoyl)-N-phenylpiperidine-1-carboxamide899755-17-0C20H21N3O4
- N-{3-[3-(Furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}-2-(4-methoxyphenyl)acetamide1021225-29-5C20H21N3O4
- 2-Ethoxy-N-{3-[3-(furan-2-yl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}benzamide1021252-29-8C20H21N3O4
- N-(4-Ethoxyphenyl)-4-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)butanamide1021105-92-9C20H21N3O4
- 4-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)-N-(3-methoxybenzyl)butanamide1021037-34-2C20H21N3O4
- N-(2-(3-(Furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-3-(4-methoxyphenyl)propanamide953999-81-0C20H21N3O4
- N-[5-(2,4-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]-2-(2,4-dimethylphenyl)acetamide941946-35-6C20H21N3O4
- N-[1-(3,4-Dimethylphenyl)-5-oxopyrrolidin-3-yl]-4-methyl-3-nitrobenzamide896370-59-5C20H21N3O4
- L-Tyrosyl-D-tryptophan22032-67-3C20H21N3O4
- N-(5-(2,4-Dimethylbenzyl)-1,3,4-oxadiazol-2-yl)-2-(3-methoxyphenoxy)acetamide1105223-84-4C20H21N3O4
- 4-{[(6,7-Dimethyl-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl)acetyl]amino}phenyl acetate5851-77-4C20H21N3O4
- 2-(2-Methyl-5-((4-methylbenzyl)oxy)-4-oxopyridin-1(4H)-yl)-N-(5-methylisoxazol-3-yl)acetamide946205-13-6C20H21N3O4
- N-(2-Methoxyphenyl)-4-(3-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide332372-97-1C20H21N3O4
- Methyl 2-{[(3-hydroxy-6,7-dimethyl-1,2-dihydroquinoxalin-2-yl)acetyl]amino}benzoate939887-44-2C20H21N3O4
- 5-(4-Methoxyphenyl)-1,3-dimethyl-5,8,9,10-tetrahydropyrimido[4,5-b]quinoline-2,4,6(1H,3H,7H)-trione537008-65-4C20H21N3O4
- N-(2-Methoxyphenyl)-4-(4-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide313551-59-6C20H21N3O4
- N,4-bis(4-methoxyphenyl)-6-methyl-2-oxo-3,4-dihydro-1H-pyrimidine-5-carboxamide333767-82-1C20H21N3O4
- (E)-1-(2-(Dimethylamino)ethyl)-4-(3-(furan-2-yl)acryloyl)-3-hydroxy-5-(pyridin-4-yl)-1H-pyrrol-2(5H)-one862315-90-0C20H21N3O4
- (E)-1-(2-(Dimethylamino)ethyl)-4-(3-(furan-2-yl)acryloyl)-3-hydroxy-5-(pyridin-3-yl)-1H-pyrrol-2(5H)-one862315-89-7C20H21N3O4
- Benzamide, 5-amino-2-((5-phthalimidopentyl)oxy)-13738-12-0C20H21N3O4
- 2-[4-(2-Amino-3-cyano-7,7-dimethyl-5-oxo-6,8-dihydro-4H-chromen-4-yl)phenoxy]acetamide371956-62-6C20H21N3O4
- N-(2-Ethoxyphenyl)-4-(4-hydroxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide370847-93-1C20H21N3O4
- 4-(4-Methoxyphenyl)-6-(3,4,5-trimethoxyphenyl)pyrimidin-2-amine182363-41-3C20H21N3O4
- N-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-3,5-dimethoxybenzamide442643-36-9C20H21N3O4
- 11-Methyl-8-(2-methylphenyl)-13-propyl-5-oxa-2,11,13-triazatricyclo[7.4.0.0^{3,7}]trideca-1(9),3(7)-diene-6,10,12-trione869465-33-8C20H21N3O4
- Prop-2-enyl 5-(4-ethylphenyl)-7-methyl-2,4-dioxo-5,8-dihydro-1H-pyrido[2,3-d]pyrimidine-6-carboxylate683778-94-1C20H21N3O4
- 8-(3-Methylphenyl)-13-(2-methylpropyl)-5-oxa-2,11,13-triazatricyclo[7.4.0.0^{3,7}]trideca-1(9),3(7)-diene-6,10,12-trione871548-11-7C20H21N3O4
- Methyl 1-(2-ethoxy-2-oxoethyl)-3-methyl-6-(p-tolyl)-1H-pyrazolo[3,4-b]pyridine-4-carboxylate1011399-25-9C20H21N3O4
- 4-(2,4-Dimethoxyphenyl)-6-methyl-2-oxo-N-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxamide377761-34-7C20H21N3O4
- Ethyl 2-{4-[4-(benzyloxy)phenyl]-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl}acetate860784-77-6C20H21N3O4
- N,4-bis(2-methoxyphenyl)-6-methyl-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide333435-27-1C20H21N3O4
- 11,13-Dimethyl-8-[4-(propan-2-yl)phenyl]-5-oxa-2,11,13-triazatricyclo[7.4.0.0^{3,7}]trideca-1(9),3(7)-diene-6,10,12-trione848289-94-1C20H21N3O4
- 1-Ethyl-4-((4-methoxyphenethyl)amino)-3-nitroquinolin-2(1H)-one886186-50-1C20H21N3O4
- 1 suppliers2-(2,6-Dioxopiperidin-3-yl)-4-(hept-6-YN-1-ylamino)isoindoline-1,3-dione2940935-13-5C20H21N3O4
- 5-(1,3-Benzodioxol-5-yl)-N-(2,4-dimethoxybenzyl)-1-methyl-1H-imidazol-2-amine754998-88-4C20H21N3O4
- (E)-1-[4-(2-Methoxyphenyl)piperazin-1-yl]-3-(2-nitrophenyl)prop-2-en-1-one600123-49-7C20H21N3O4
- 2-[2-Amino-5-(3,4-dimethoxyphenyl)-6-methylpyrimidin-4-yl]-5-methoxyphenol896072-77-8C20H21N3O4
- N'-[1-(4-Ethoxyphenyl)-2,5-dioxopyrrolidin-3-yl]-2-phenylacetohydrazide956203-13-7C20H21N3O4
- Prop-2-enyl 1,3,7-trimethyl-2,4-dioxo-5-phenyl-5,8-dihydropyrido[2,3-d]pyrimidine-6-carboxylate622359-57-3C20H21N3O4
- 1-(1,3-Benzodioxol-5-yl)-3-[4-(piperidine-1-carbonyl)phenyl]urea892471-39-5C20H21N3O4
- 8-(2-Methylphenyl)-13-(2-methylpropyl)-5-oxa-2,11,13-triazatricyclo[7.4.0.0^{3,7}]trideca-1(9),3(7)-diene-6,10,12-trione871547-91-0C20H21N3O4
- 8-(4-Methylphenyl)-13-(2-methylpropyl)-5-oxa-2,11,13-triazatricyclo[7.4.0.0^{3,7}]trideca-1(9),3(7)-diene-6,10,12-trione871548-08-2C20H21N3O4
Frequently asked questions
What is the molar mass of C20H21N3O4?
The molar mass of C20H21N3O4 is 367.40 g/mol, calculated from standard atomic weights for 20 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 367.1532 Da.
How many compounds have the formula C20H21N3O4?
CompoundList lists 365 compounds with the molecular formula C20H21N3O4, including Trp-Tyr, 3-(Hydroxy-phenyl-amino)-1-(4-morpholin-4-yl-phenyl)-pyrrolidine-2,5-dione, 3,4-Dimethoxy-N-(2-oxo-2-(2-(3-phenyl-2-propenylidene)hydrazino)ethyl)benzamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C20H21N3O4?
C20H21N3O4 has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.